Molds & Tooling
5 görüntüleme
TPU multi-hardness material switching
Sorun Belirtisi
After switching between TPUs of different hardness, process fluctuations are large.
Neden Analizi
TPUs of different hardness have obvious differences in fluidity and temperature windows; continuing to use the old process causes filling or demolding problems; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
①reset the temperature window according to the new grade; ②verify filling and demolding states; ③record process cards for each grade; ④fully clean when changing material; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
TPU grade switching requires re-calibration of the process; hardness is the core variable affecting processability; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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